MAVEN released an updated version of this coop mission for ArmA 2, ArmA 2 CO or Arma 2 Free in the BI forums.

Changes:

• Changed markers.
• Changed STO vehicle.
• Added vehicle for STT.
• Adjusted AI (Some players found USMC Sweepers to be a bit too hard to beat)
• Some minor fixes.
• Changed notes.
• Added Credits field.
• Removed Easter Eggs (Some players found a way to abuse this)